Modbus Communication; Data Link System - IDEC FC6A-C16K1CE Communications Manual

Modbus Communication

The FC6A Series MicroSmart is compliant with Modbus RTU protocol and can be used as either a Modbus communication master or
slave. With Modbus communication, the FC6A Series MicroSmart can monitor and modify the data of inverters and temperature
controllers.
For details on Modbus communication, see "Modbus Communication" on page 6-1.
Supported ports
USB Port
No
■ Modbus RTU Communication Using Serial Port 1
This example shows a system in which a FC6A Series MicroSmart is communicating with a temperature controller and an inverter
that support Modbus RTU. The A temperature controller is connected to port 1 of the FC6A Series MicroSmart.
FC6A Series MicroSmart
Serial Port 1
(Port 1)

Data Link System

The FC6A Series MicroSmart supports data link communication, and it can share data between CPU modules using serial port 1
and cartridge slots. The FC6A Series MicroSmart can also share data with FC5A Series and FC4A Series CPU modules. Configure
the settings in WindLDR to enable distributed control of a maximum of 31 CPU modules.
For details about the data link communication, see "Data Link Communication" on page 7-1.
Supported ports
USB Port
No
■ Data Link Communication Using Serial Port 1
This example shows communication between multiple CPU modules with the FC6A Series MicroSmart as the master station. A
slave station CPU module is connected to port 1 of the FC6A Series MicroSmart.
FC6A Series MicroSmart
(Master Station)
Serial Port 1
(Port 1)
Serial Port 1 Ethernet Port 1
Yes
Temperature Controller
RUN
RVS
ALM
COM
INVE RTER
Serial Port 1 Ethernet Port 1
Yes
FC6A S M S A
ERIES ICRO MART
Communication
Cartridge
Yes Yes
Inverter
Communication
Cartridge
No Yes
FC6A Series MicroSmart
(Slave Station 1)
- -O T C
LL IN NE YPE OMMUNICATION
1: G
ENERAL
CAN Port
No
CAN Port
No
FC6A Series MicroSmart
(Slave Station 31)
M FC9Y-B1730
ANUAL
I
NFORMATION
HMI-Ethernet
Port
No
HMI-Ethernet
Port
No
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